[math-fun] amazing computer-created black hole videos

https://www.youtube.com/watch?v=Qg6PwRI2uS8 https://www.youtube.com/watch?v=ENd8Sz0AFOk searching youtube for "black hole SXS" finds more. -- Warren D. Smith http://RangeVoting.org <-- add your endorsement (by clicking "endorse" as 1st step)